US2480081A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Perhalocyclohexanes
Assignee: Purdue Research Foundation
•
Filing: 1946-06-07
•
Granted: 1949-08-23
•
Expires: 1966-06-07
Abstract
No abstract record available.
Inventors
- 👤 Vincent V Lindgren
- 👤 Earl T Mcbee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:02
CPC Classifications
C; C07; C07C; C07C23/00; C07C23/02; C07C23/10; C07C17/00; C07C17/013; C07C17/06; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2404374A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-22 | 1953-02-21 | 1953-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-22 | 1957-02-21 | 1957-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-22 | 1961-02-21 | 1961-08-23 | $7700.00 | Window Closed / Lapsed |